<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="商品名称" prop="goodName">
        <el-input v-model="queryParams.goodName" placeholder="请输入商品名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="商品进价" prop="purchPrice">
        <el-input v-model="queryParams.purchPrice" placeholder="请输入商品进价" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="商品售价" prop="sellPrice">
        <el-input v-model="queryParams.sellPrice" placeholder="请输入商品售价" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="商品照片" prop="goodImg">
        <el-input v-model="queryParams.goodImg" placeholder="请输入商品照片" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="商品描述" prop="goodinfo">
        <el-input v-model="queryParams.goodinfo" placeholder="请输入商品描述" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="商品类别" prop="typeId">
        <el-select v-model="queryParams.typeId" placeholder="请选择商品类别" clearable>
          <el-option v-for="dict in dict.type.goods_type" :key="dict.value" :label="dict.label" :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="商品数量" prop="num">
        <el-input v-model="queryParams.num" placeholder="请输入商品数量" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['system:goods:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['system:goods:edit']">修改</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['system:goods:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="goodsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="商品id" align="center" prop="goodID" />
      <el-table-column label="商品照片" align="center">
        <template slot-scope="scope">
          <el-image style="width: 100px; height: 100px" :src="scope.row.goodImg" fit="fill"></el-image>
        </template>
      </el-table-column>
      <el-table-column label="商品名称" align="center" prop="goodName" />
      <el-table-column label="商品进价" align="center" prop="purchPrice" />
      <el-table-column label="商品售价" align="center" prop="sellPrice" />
      <el-table-column label="商品描述" align="center" prop="goodinfo" />
      <el-table-column label="商品类别" align="center" prop="typeId">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.goods_type" :value="scope.row.typeId" />
        </template>
      </el-table-column>
      <el-table-column label="商品数量" align="center" prop="num" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['system:goods:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['system:goods:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改商品对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="商品名称" prop="goodName">
          <el-input v-model="form.goodName" placeholder="请输入商品名称" />
        </el-form-item>
        <el-form-item label="商品进价" prop="purchPrice">
          <el-input v-model="form.purchPrice" placeholder="请输入商品进价" />
        </el-form-item>
        <el-form-item label="商品售价" prop="sellPrice">
          <el-input v-model="form.sellPrice" placeholder="请输入商品售价" />
        </el-form-item>
        <el-form-item label="商品照片" prop="goodImg">
          <el-input v-model="form.goodImg" placeholder="请输入商品照片" />
        </el-form-item>
        <el-form-item label="商品描述" prop="goodinfo">
          <el-input v-model="form.goodinfo" placeholder="请输入商品描述" />
        </el-form-item>
        <el-form-item label="商品类别" prop="typeId">
          <el-select v-model="form.typeId" placeholder="请选择商品类别">
            <el-option v-for="dict in dict.type.goods_type" :key="dict.value" :label="dict.label"
              :value="parseInt(dict.value)"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listGoods, getGoods, delGoods, addGoods, updateGoods } from "@/api/system/goods";

export default {
  name: "Goods",
  dicts: ['goods_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 子表选中数据
      checkedType: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商品表格数据
      goodsList: [],
      // 分类名表格数据
      typeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        goodName: null,
        purchPrice: null,
        sellPrice: null,
        goodImg: null,
        goodinfo: null,
        typeId: null,
        num: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        typeId: [
          { required: true, message: "商品类别不能为空", trigger: "change" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询商品列表 */
    getList() {
      this.loading = true;
      listGoods(this.queryParams).then(response => {
        this.goodsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        goodID: null,
        goodName: null,
        purchPrice: null,
        sellPrice: null,
        goodImg: null,
        goodinfo: null,
        typeId: null,
        num: 0 
      };
      this.typeList = [];
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.goodID)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加商品";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const goodID = row.goodID || this.ids
      getGoods(goodID).then(response => {
        this.form = response.data;
        this.typeList = response.data.typeList;
        this.open = true;
        this.title = "修改商品";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.typeList = this.typeList;
          if (this.form.goodID != null) {
            updateGoods(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addGoods(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const goodIDs = row.goodID || this.ids;
      this.$modal.confirm('是否确认删除商品编号为"' + goodIDs + '"的数据项？').then(function () {
        return delGoods(goodIDs);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 分类名序号 */
    rowTypeIndex({ row, rowIndex }) {
      row.index = rowIndex + 1;
    },
    /** 分类名添加按钮操作 */
    handleAddType() {
      let obj = {};
      obj.typeName = "";
      this.typeList.push(obj);
    },
    /** 分类名删除按钮操作 */
    handleDeleteType() {
      if (this.checkedType.length == 0) {
        this.$modal.msgError("请先选择要删除的分类名数据");
      } else {
        const typeList = this.typeList;
        const checkedType = this.checkedType;
        this.typeList = typeList.filter(function (item) {
          return checkedType.indexOf(item.index) == -1
        });
      }
    },
    /** 复选框选中数据 */
    handleTypeSelectionChange(selection) {
      this.checkedType = selection.map(item => item.index)
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/goods/export', {
        ...this.queryParams
      }, `goods_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
